*{
	padding: 0;
	margin: 0;
	list-style: none;
}
.banner{
	height: 600px;
}
/*.banner1{
	background: url(img/timg.jpg);
}
.banner2{
	background: url(img/timg1.jpg);
}
.banner3{
	background: url(img/timg2.jpg);
}*/
.banner1{
	background: url(img/banner.jpg);
	background-size: cover;
}
.banner2{
	background: url(img/banner2.jpg);
	background-size: cover;
}
.banner3{
	background: url(img/banner3.jpg);
	background-size: cover;
}



.card .card-text{
	height: 29px;
	overflow: hidden;
	text-overflow: ellipsis; /*多出来的变点*/
	white-space: nowrap;
}
.footer{
	width: 100%;
	height: 210px;
	margin: auto;
	background: #f5f5f5;
	box-shadow: 2px 5px 10px 1px #666;
}
.footer-left{
	width: 51%;
	height: 100%;
	float: left;
	margin-top: 50px;
}
.footer-right{
	width: 49%;
	height: 100%;
	float: left;
	margin-top: 50px;
}
.footer-left h1{
	font-size: 30px;
}
.footer-left p{
	font-size: 15px;
}

.col-md-3 ul li a{
	color: #6c757b;
	text-decoration: none;
	font-size: 14px;
}
.col-md-3 h5{
	font-size: 16px;
}

main{
	background: url(img/banner4.jpg);
}
.a{
	width: 100%;
	height: 20px;
	float: left;
	background: #fff;
	border-top:1px solid #E2E2E2 ;
}

/*响应式*/

@media(max-width:540px){
	.banner{
		height: 230px;
	}
	.footer{
		height: 650px;
	}
	.footer-left{
		width: 100%;
	}
	.footer-right{
		width: 100%;
	}
}